Autosomes

Those chromosomes which are not the sex chromosomes. In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ...

Axillary Lymph Nodes

Lymph nodes in the armpit region that drains lymph channels from the breast. Numerous nodes around the axillary (below the shoulder joint) veins which receive the lymphatic drainage from the upper limb, scapular region and pectoral region (including mammary gland);...

Bacteria

Single-celled microorganisms. Bacteria are single-celled microorganisms which can exist either as independent organisms or as parasites (dependent upon another organism for existance). Examples of bacteria are Acidophilus, Chlamydia, Clostridium welchii or gangrene,...

Benign

Not malignant, not cancerous. In reference to a tumor; an abnormal mass of tissue that results when cells divide more than they should or do not die when they should. Tumors may be benign (not cancerous), or malignant (cancerous).